Hitachi 50vs69a Just had a bad electrical storm.TV was off,next day went to put on it reads no signal input.Dvd will not play through TV set either.If I put outside ant. on it will not show picture.Power light is on and nothing else on or blinking.

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CONNECTING A COMPONENT SOURCE WITH HDMI or DVI CAPABILITY TO INPUT 1 or INPUT 2
1.Connect the HDMI or DVI to HDMI connection cable from the output of the HDTV set top box or DVD player to the HDMI input as shown on the AVC Center below.
2.With DVI output, connect the cable from the AUDIO OUT R of the HDTV set top box or DVD player to the INPUT (AUDIO/R) jack.
3.With DVI output, connect the cable from the AUDIO OUT L of the HDTV set top box or DVD player to the INPUT (AUDIO/L) jack.
4.Press the INPUTS button, then select INPUTS 1 or 2 to view the program from the HDTV set top box or DVD player. The VIDEO OSD label disappears automatically after approximately four seconds.
5.Select ANT A or B from the INPUTS menu to return to the previous channel.
NOTES:1. Completely insert the connection cord plugs when connecting to rear panel jacks. The picture and sound that is played back will be abnormal if the connection is loose.
2. The HDMI input on INPUT 1 or 2 contains the copy protection system called High-bandwidth Digital Content Protection (HDCP). HDCP is a cryptographic system that encrypts video signals when using HDMI connections to prevent ******* copying of video contents.
3.HDMI is not a "NETWORK" technology. It establishes a one-way point-to-point connection for delivery of uncompressed video to a display.
4.The connected digital output device controls the HDMI interface so proper set-up of device user settings determines final video appearance.

Is this 'no signal' coming in off of a cable, or off of broadcast TV? You may also want to check if there are multiple inputs and you're on a not-plugged-in input. For instance, the TV may have 3 HDMI inputs and a set of component video inputs. If, say, your cable box is connected to HDMI 2 and your DVR is plugged into HDMI 3, then if the system defaults to HDMI 1 when it turns on, perhaps it's showing some error code. You should have some sort of input select function. Try cycling through your inputs to make sure that the set is OK playing from other canned input like a DVD player. If so, then move that input through the imput ports to make sure they work.
If the TV has a direct cable coaxial hook-up, most, if not all cable companies anymore only broadcast in encrypted digital, meaning you'll need a cable box or something like a TiVo with a special cable card to see anything.

More specifics would need the make / model / year of the set.
Hoping this helps!
D

Check to see what input setting the tv is on. It could still be looking for a signal from the pc input connection and no pc is hooked up thus getting no signal. Have the device you are trying to display on the tv connected and turned on and cycle through the inputs on the tv until you get a signal.

Just try to reset HDTV. If available and accessible, try using the reset buttons before
using the steps below. Using the reset buttons can save time. 1. Unplug the TV power cord from the power outlet.2. Unplug any connected devices (DVD, Set-top boxes, etc...)3. Press and hold the TV power button for five seconds.4. Plug the TV power cord back into the power outlet and turn on the TV.5. Open the on-screen menu to confirm that the TV is responding again.6. Turn off the TV and reconnect the devices.7. Turn on the TV.

First, is the DVD player output (Video out, audio out) connected to the TV input?
Have you used the Yellow cable from DVD video out to the TV video in? Mixing the audio and video cables will result in no signal.
Have you selected the proper input with your TV remote control. Most plasmas accept a variety of input signals; you must select the right one.
I deal with a number of these issues. Usually the connections are made improperly or the correct input source is not selected with the TV remote.
Put a DVD in the player and press play. Be sure you have made the proper connection from DVD player video/audio out into an auxiliary or video input on the TV. These could be labeled Line 1 or Line 2. With the DVD playing, run through the input options on your remote control. The button might be marked source, video or input. The screen should display your choices i.e. video 1, video 2, etc. When you see your DVD program, you've got the right combination.